IEEE Transactions on Nuclear Science · 2004 · 88 citations · 10 references
EngineeringElectrical EngineeringElectronic MaterialsRadiation DetectionSemiconductor DevicesDetector TechnologyGamma-ray DetectionGamma-ray DetectorsPhotodetectorsRadiation DetectorsSemiconductor DetectorsDetector BiasingDetector FabricationGamma-ray Detector TechnologyGuard Electrode DesignSchottky Barrier DetectorsSemiconductor Gamma-ray DetectorsSemiconductor Particle DetectorsSemiconductor Radiation Detectors
Recent results from the Schottky CdTe diode detectors employing a guard-ring (GR) electrode are reported. A cathode electrode, made of platinum, was separated into an active electrode(s) and a surrounding GR. Typical leakage current of a device with active area of 2 /spl times/ 2 mm/sup 2/ and 0.5 mm thickness surrounded by a GR, is 7 and 20 pA at a bias of 100 and 500 V, respectively, operated at 20/spl deg/C. Spectral resolution of this device is 0.93 and 1.2 keV (FWHM) at 59.5 and 122 keV, respectively, operated at 20/spl deg/C with a bias of 800 V. Detailed study of the characteristics of these devices working as a gamma-ray detector is presented.
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High-resolution Schottky CdTe diode for hard X-ray and gamma-ray astronomy
Tadayuki Takahashi, Biswajit Paul, Kazuyuki Hirose et al. · Nuclear Instruments and Methods in Physics Research Section A Accelerators Spectrometers Detectors and Associated Equipment · 1999 · 145 citations · Full text
Natural Sciences, Electrical Engineering, Materials Science +12